TY  - BOOK
AU  - Avison, David
AU  - Guy Fitzgerald
TI  - Information systems development: methodologies, techniques and tools
SN  - 0077096266
AV  - QA76.9. A95 2003
PY  - 2003///
CY  - london
PB  - Mcgraw hill
KW  - System design
ER  -